Ihe e ji emepụta ngwaahịa:
E ji bọọdụ PP (polypropylene) dị ọcha nke dị 8mm dị ọkpụrụkpụ mee efere bụ isi, nke nwere ike siri ike.
iguzogide acid na alkali, a na-ejikwa nkwonkwo ahụ mee njikọta ahụ site na ịgbado ọkụ aka ọkachamara na-enweghị ntụpọ na ya na
otu agba ahụ, ike siri ike nke acid, ike mgbochi mmetụta, enweghị nchara, enweghị nchara.